What size generator or power station for an incandescent bulb? (100+ W)
To run an incandescent bulb, choose at least
100 W running.
100 W running.
An incandescent bulb draws about 60 W while running. Pick a generator, inverter or power station rated comfortably above these numbers.
Battery runtime calculator
Estimated runtime—
Assumes about 85% usable capacity. Motors need extra headroom for startup surge.
How long a power station lasts
| Power station | Estimated runtime |
|---|---|
| 300 Wh | 4 h 15 min |
| 500 Wh | 7 h 5 min |
| 1,000 Wh | 14 h 10 min |
| 2,000 Wh | 28 h 20 min |
| 3,000 Wh | 42 h 30 min |
Sizing guide
| Minimum running watts | 100 W |
| Minimum starting watts | 100 W |
| Suggested inverter | 100 W or higher |
See also incandescent bulb wattage and running cost.
FAQ
How many watts does an incandescent bulb use?
Common incandescent bulbs draw 40-100 watts.
Is it worth replacing incandescent bulbs?
Yes - swapping to LEDs cuts lighting energy by around 85%.